<template>
    <div class='home-category' @mouseleave="categoryId = null">
        <ul class="menu">
            <li v-for="item in menuList" :key="item.name" @mouseenter="categoryId = item.id"
                :class="{ active: categoryId && categoryId === item.id }">
                <RouterLink :to="`/category/:id`">{{ item.name }}</RouterLink>
                <RouterLink :to="`/category/sub/:id`" v-for="sub in item.children" :key="sub.id">{{ sub.name }}
                </RouterLink>
                <template v-if="!item.children">
                    <XtxSkeleton bg="rgba(255,255,255,0.3)" width="60px" height="18px" style='margin-right:5px' />
                    <XtxSkeleton bg="rgba(255,255,255,0.3)" width="60px" height="18px" />
                </template>
            </li>
        </ul>
        <!-- 弹层 -->
        <div class="layer">
            <h4>{{ currentList ? '分类' : '品牌' }}推荐 <small>根据您的购买或浏览记录推荐</small></h4>
            <ul v-if="currentList">
                <li v-for="item in currentList" :key="item.id">
                    <RouterLink to="/">
                        <img :src="item.picture" alt="item.name">
                        <div class="info">
                            <p class="name ellipsis-2">{{ item.name }}</p>
                            <p class="desc ellipsis">{{ item.desc }}</p>
                            <p class="price"><i>¥</i>{{ item.price }}</p>
                        </div>
                    </RouterLink>
                </li>
            </ul>

            <ul v-else>
                <li class="brand" v-for="item in brandList" :key="item.id">
                    <RouterLink to="/">
                        <img :src="item.picture" :alt="item.name">
                        <div class="info">
                            <p class="place"><i class="iconfont icon-dingwei"></i>{{ item.place }}</p>
                            <p class="name ellipsis">{{ item.name }}</p>
                            <p class="desc ellipsis-2">{{ item.desc }}</p>
                        </div>
                    </RouterLink>
                </li>
            </ul>
        </div>
    </div>
</template>

<script>
export default {
    name: 'HomeCategory'
}
</script>

<script setup>
import { findBrandCategory } from '@/apis/category'
import { computed, reactive, ref } from 'vue'
import { useStore } from 'vuex';

const store = useStore()
const brand = reactive({
    id: 'brand',
    name: '品牌',
    children: [{ id: 'brand-chilren', name: '品牌推荐' }]
})
const categoryId = ref('')
const brandList = ref([])
const menuList = computed(() => {
    let list = store.state.category.list
    list = list.map(x => ({
        ...x,
        children: x.children?.slice(0, 2)
    }))
    list.push(brand)
    return list
})
const currentList = computed(() => {
    const { goods } = menuList.value.find(x => x.id === categoryId.value) || {}
    return goods
})

findBrandCategory({ limit: 6 }).then(({ result }) => {
    brandList.value = result
}).catch(err => {
    console.log(err);
})
</script>

<style scoped lang="less">
.home-category {
    width: 250px;
    height: 500px;
    background: rgba(0, 0, 0, 0.8);
    position: relative;
    z-index: 99;

    .menu {
        li {
            padding-left: 40px;
            height: 50px;
            line-height: 50px;

            &:hover,
            &.active {
                background: @xtxColor;
            }

            a {
                margin-right: 4px;
                color: #fff;

                &:first-child {
                    font-size: 16px;
                }
            }
        }
    }

    &:hover {
        .layer {
            display: block;
        }
    }

    .layer {
        width: 990px;
        height: 500px;
        background: rgba(255, 255, 255, 0.8);
        position: absolute;
        left: 250px;
        top: 0;
        display: none;
        padding: 0 15px;

        h4 {
            font-size: 20px;
            font-weight: normal;
            line-height: 80px;

            small {
                font-size: 16px;
                color: #666;
            }
        }

        ul {
            display: flex;
            flex-wrap: wrap;

            li.brand {
                height: 180px;

                a {
                    align-items: flex-start;

                    img {
                        width: 120px;
                        height: 160px;
                    }

                    .info {
                        p {
                            margin-top: 8px;
                        }

                        .place {
                            color: #999;
                        }
                    }
                }
            }

            li {
                width: 310px;
                height: 120px;
                margin-right: 15px;
                margin-bottom: 15px;
                border: 1px solid #eee;
                border-radius: 4px;
                background: #fff;

                &:nth-child(3n) {
                    margin-right: 0;
                }

                a {
                    display: flex;
                    width: 100%;
                    height: 100%;
                    align-items: center;
                    padding: 10px;

                    &:hover {
                        background: #e3f9f4;
                    }

                    img {
                        width: 95px;
                        height: 95px;
                    }

                    .info {
                        padding-left: 10px;
                        line-height: 24px;
                        width: 190px;

                        .name {
                            font-size: 16px;
                            color: #666;
                        }

                        .desc {
                            color: #999;
                        }

                        .price {
                            font-size: 22px;
                            color: @priceColor;

                            i {
                                font-size: 16px;
                            }
                        }
                    }
                }
            }
        }
    }
}
</style>